aaaa aaab aaas aaba aabb aabt aasa aass aast aasu aata aatt aaus abaa abab abag abas abat abau abb- abba abbb abbs abbt abs- absa abss absu abta abts abtu abua abug abus abut agag agas agat agau agba agga aggu agsa agsg agst agsu agta agts agua agus agut asaa asab asag asas asat asau asba asbu asgt assa asss asst assu asta astb asts asub asus at-t ataa atab atas atat atbs atsb atst atta atts attu atua atub atug atus auaa auga augs ausa aust ausu aut- auts auug baaa baas baat baba babb babs babu baga bagg bags bagt basa bass bast basu bata bats batt batu bau- baug bbas bbau bbbb bbbs bbga bggs bgst bsaa bsas bsat bsgs bsts btaa btss bttb btus buat buba bubb bubs bubu buga bugg bugs busa buss bust busu but- buta buts butt buus gaas gaba gabb gabs gabt gabu gaga gagg gags gagu gasa gasb gass gast gata gats gatt gaua gaub gaus gaut gbag gbas gbbs ggbt gggg ggss gsab gsat gtaa gtta guaa guag guat guba gubb gubs gubu guga gugb gugg gugu gusa gusb guss gust guta guts gutt gutu guus saab saag saas saat saba sabb sabs sabu saga sagg sags sagt sagu sasa sass sast sata satb satg sats satt satu saua saus saut sbaa sbas sbbs sbsa sbst sbus sgaa sgau sggg sggs sgss sgta sgts ssaa ssab ssas ssat ssau ssgs ssgt sssa sssb ssss ssta sstb ssts stab stag stas stat stau stbs stss stub stug stus stut suas suat sub- suba subb subg subs sug- suga sugg sus- susa suss sust susu suta sutu suus taa- taag taas taat taba tabb tabs tabu taga tagg tags tagu tasa tasb tass tast tasu tata tatb tats tatt tatu taua taub taus taut tbas tbbs tbgs tbst tbta tgts tsaa tsat tsau tsgt tssa tssg tsst tsts ttab ttbb ttss tttt tuas tuat tuba tubb tubs tubu tuga tugg tugs tugu tusa tuss tust tuta tuts tutt tutu uasa uata uatu uaua ubba ugab uggs uggt ugta uguu us-a usaa usag usas usat usba usbs usga ussa ussb usss usst ussu usta ustb usts usua usus utas utau utsa uttu utug uuta uuuu